body{
    padding: 0;
    margin: 0;
    background: #d2d6de;
    font-family: 'Source Sans Pro', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-weight: 400;
}

.box{
    width: 800px;
    height: 600px;
    background: #f5f5f5;
    margin-top: 100px;
    border-radius: 7px;
    padding: 0;
}
.box-header{
    height: 60px;
    width: 100%;
    background: #00acd6;
    border-radius: 7px 7px 0 0;
    position: relative;
}
.photo{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #fff;
    padding: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    bottom: 5px;
    left: 10px;
}
.box-body{
    width: 100%;
    height: 540px;
    border-radius: 0 0 7px 7px;
}
.chat-content{
    width: 100%;
    height: 85%;
    padding: 10px;
    overflow-y: auto;
}
.chat-content-list{
    margin-left:10px;
    display: inline-block;
    background: #fff;
    padding: 5px;
    max-width: 693px;
    overflow-wrap: break-word;
}
.send-content{
    width: 100%;
    height: 15%;
    background: gainsboro;
    border-radius: 0 0 7px 7px;
}
.box-close{
    color: white;
    font-size: 30px;
    position: absolute;
    right: 14px;
    top: 10px;
    cursor: pointer;
    text-underline: none;
}
.box-close:hover{
    color: #0f0f0f;
}